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Finding the Fourth Proportional to 61,813.84, 85,303.02 and 33,519.48

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Solution

The fourth proportional to 61,813.84, 85,303.02 and 33,519.48 is: 46,256.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,813.84 : 85,303.02 = 33,519.48 : x
  2. Step 2: Convert to fraction form
    61,813.84/85,303.02 = 33,519.48/x
  3. Step 3: Cross multiply
    61,813.84x = 85,303.02 × 33,519.48
  4. Step 4: Simplify right side
    61,813.84x = 2,859,312,872.83
  5. Step 5: Solve for x
    x = 2,859,312,872.83/61,813.84
  6. Step 6: Final answer
    x = 46,256.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.